Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3
000
FNCA52 TJSJ 240939
FWFSJU

Fire Weather Planning Forecast for PUERTO RICO
National Weather Service SAN JUAN PR
539 AM AST Thu Aug 24 2017

.DISCUSSION...An increase in low level moisture is expected
today. Showers with thunderstorms are expected to develop this
afternoon along the Cordillera Central of Puerto Rico. This
activity will spread across the northern half of Puerto Rico under
a southeast wind flow. Relative humidity values will remain above
critical levels. Fire danger is expected to be low.




PRZ014-250945-
Southeast Coastal Plains-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           MClear       PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           10           30
TEMP (24H TREND)      90 (-1)      71 (-1)      91
RH % (24H TREND)      53 (-8)      94 (+4)      56
20FTWND-VAL/AM(MPH)   E  9                      E  9
20FTWND-RDG/PM(MPH)   SE 10        NE  5        E 10
MIXING HGT(FT-AGL/MSL)6032                      6041
TRANSPORT WND (MPH)   SE  9                     E 14
VENT RATE (KT-FT)     78494                     73170
DISPERSION            5                         5
DSI                   6            3            6
LAL                   2            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ015-250945-
Southern Hills-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           PCldy        MClear       PCldy
PRECIP TYPE           tstms        showers      tstms
CHANCE PRECIP (%)     30           20           40
TEMP (24H TREND)      87 (0)       67 (-2)      90
RH % (24H TREND)      57 (-11)     94 (+3)      60
20FTWND-VAL/AM(MPH)   E  8                      E  8
20FTWND-RDG/PM(MPH)   SE  8        Lgt/Var      E  9
MIXING HGT(FT-AGL/MSL)6012                      5928
TRANSPORT WND (MPH)   SE  8                     E 12
VENT RATE (KT-FT)     77357                     66270
DISPERSION            5                         5
DSI                   5            2            5
LAL                   2            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ016-250945-
North Coastal Plains-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        showers      showers
CHANCE PRECIP (%)     50           20           30
TEMP (24H TREND)      91 (+1)      73 (-2)      91
RH % (24H TREND)      59 (-5)      93 (+6)      63
20FTWND-VAL/AM(MPH)   E  8                      E  8
20FTWND-RDG/PM(MPH)   E 10         SE  7        E 11
MIXING HGT(FT-AGL/MSL)5272                      5048
TRANSPORT WND (MPH)   E  8                      E 13
VENT RATE (KT-FT)     80270                     58227
DISPERSION            5                         5
DSI                   6            4            6
LAL                   3            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ017-250945-
Northern Hills-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           PCldy        MClear       PCldy
PRECIP TYPE           tstms        showers      tstms
CHANCE PRECIP (%)     70           20           50
TEMP (24H TREND)      88 (0)       69 (0)       90
RH % (24H TREND)      59 (-5)      96 (+4)      63
20FTWND-VAL/AM(MPH)   E  7                      E  7
20FTWND-RDG/PM(MPH)   E  7         Lgt/Var      E 10
MIXING HGT(FT-AGL/MSL)5587                      5380
TRANSPORT WND (MPH)   E  6                      E 10
VENT RATE (KT-FT)     69740                     49872
DISPERSION            5                         5
DSI                   5            2            5
LAL                   3            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ018-250945-
West Coast-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           PCldy        MClear       PCldy
PRECIP TYPE           tstms        showers      tstms
CHANCE PRECIP (%)     30           20           50
TEMP (24H TREND)      89 (-3)      72 (-1)      93
RH % (24H TREND)      54 (-6)      91 (+6)      57
20FTWND-VAL/AM(MPH)   SE  7                     E  6
20FTWND-RDG/PM(MPH)   E  7         Lgt/Var      SE  7
MIXING HGT(FT-AGL/MSL)6015                      5829
TRANSPORT WND (MPH)   SE  5                     E  7
VENT RATE (KT-FT)     80176                     38619
DISPERSION            5                         5
DSI                   6            3            5
LAL                   3            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ019-250945-
Eastern Interior-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        showers      tstms
CHANCE PRECIP (%)     40           20           40
TEMP (24H TREND)      90 (+2)      69 (-2)      89
RH % (24H TREND)      63 (-5)      97 (+7)      69
20FTWND-VAL/AM(MPH)   E  7                      E  7
20FTWND-RDG/PM(MPH)   E  8         SE  5        E 10
MIXING HGT(FT-AGL/MSL)5380                      4978
TRANSPORT WND (MPH)   E 10                      E 13
VENT RATE (KT-FT)     88285                     50960
DISPERSION            5                         5
DSI                   5            3            5
LAL                   3            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ022-250945-
Luquillo Mountain Range-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        showers      showers
CHANCE PRECIP (%)     30           20           40
TEMP (24H TREND)      86 (+3)      67 (-3)      86
RH % (24H TREND)      76 (-4)      95 (+5)      77
20FTWND-VAL/AM(MPH)   E  7                      E  8
20FTWND-RDG/PM(MPH)   E  8         E  5         E 10
MIXING HGT(FT-AGL/MSL)3944                      3508
TRANSPORT WND (MPH)   E 10                      E 14
VENT RATE (KT-FT)     82039                     43668
DISPERSION            5                         5
DSI                   6            3            6
LAL                   2            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ023-250945-
Central Mountain Range-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           PCldy        MClear       PCldy
PRECIP TYPE           tstms        showers      tstms
CHANCE PRECIP (%)     60           20           60
TEMP (24H TREND)      87 (+1)      65 (-2)      89
RH % (24H TREND)      56 (-12)     97 (+3)      61
20FTWND-VAL/AM(MPH)   SE  7                     E  7
20FTWND-RDG/PM(MPH)   SE  6        Lgt/Var      E  8
MIXING HGT(FT-AGL/MSL)5957                      5745
TRANSPORT WND (MPH)   SE  6                     E  8
VENT RATE (KT-FT)     51237                     35110
DISPERSION            5                         5
DSI                   5            2            5
LAL                   3            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ024-250945-
Cayey Mountain Range-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           20           40
TEMP (24H TREND)      86 (+1)      68 (-2)      86
RH % (24H TREND)      70 (-6)      94 (+5)      75
20FTWND-VAL/AM(MPH)   E  7                      E  8
20FTWND-RDG/PM(MPH)   SE  9        E  5         E 11
MIXING HGT(FT-AGL/MSL)4871                      4148
TRANSPORT WND (MPH)   E 10                      E 14
VENT RATE (KT-FT)     73648                     56350
DISPERSION            5                         5
DSI                   5            2            5
LAL                   2            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ025-250945-
Vieques-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        showers      showers
CHANCE PRECIP (%)     20           20           40
TEMP (24H TREND)      91 (+3)      75 (-2)      90
RH % (24H TREND)      75 (0)       90 (+6)      70
20FTWND-VAL/AM(MPH)   E 10                      E 11
20FTWND-RDG/PM(MPH)   E  9         E  9         E 11
MIXING HGT(FT-AGL/MSL)2956                      3343
TRANSPORT WND (MPH)   E 10                      E 16
VENT RATE (KT-FT)     84703                     37453
DISPERSION            5                         5
DSI                   6            6            6
LAL                   2            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ026-250945-
Culebra-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           20           40
TEMP (24H TREND)      92 (+3)      78 (0)       91
RH % (24H TREND)      73 (+1)      91 (+7)      68
20FTWND-VAL/AM(MPH)   E 11                      E 12
20FTWND-RDG/PM(MPH)   E 10         E 10         E 11
MIXING HGT(FT-AGL/MSL)2772                      3274
TRANSPORT WND (MPH)   E 13                      E 16
VENT RATE (KT-FT)     52872                     34788
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ027-250945-
Southwest Coastal Plains and Mona Island-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           MClear       MClear       PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           10           30
TEMP (24H TREND)      89 (-3)      71 (-2)      93
RH % (24H TREND)      50 (-9)      92 (+5)      52
20FTWND-VAL/AM(MPH)   E 10                      E 10
20FTWND-RDG/PM(MPH)   SE 10        E  6         E 10
MIXING HGT(FT-AGL/MSL)6242                      6219
TRANSPORT WND (MPH)   SE  8                     E 10
VENT RATE (KT-FT)     85045                     59352
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

VIZ001-250945-
Saint Thomas and Saint John-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           20           30
TEMP (24H TREND)      88 (+1)      73 (-4)      90
RH % (24H TREND)      75 (0)       89 (+6)      69
20FTWND-VAL/AM(MPH)   E 11                      E 12
20FTWND-RDG/PM(MPH)   E 10         E 10         E 12
MIXING HGT(FT-AGL/MSL)2675                      3299
TRANSPORT WND (MPH)   E 13                      E 18
VENT RATE (KT-FT)     53945                     41400
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

VIZ002-250945-
St Croix-
539 AM AST Thu Aug 24 2017

                      Today        Tonight      Fri

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           20           30
TEMP (24H TREND)      90 (+2)      72 (-3)      91
RH % (24H TREND)      74 (-2)      90 (+2)      68
20FTWND-VAL/AM(MPH)   E 10                      E 12
20FTWND-RDG/PM(MPH)   E  9         E  9         E 11
MIXING HGT(FT-AGL/MSL)2703                      3310
TRANSPORT WND (MPH)   SE 10                     E 17
VENT RATE (KT-FT)     79828                     48720
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            3            4

Remarks...None.


$$


.FORECAST FOR DAYS 3 THROUGH 7...

.SATURDAY...PARTLY CLOUDY. SCATTERED SHOWERS. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. NORTH WINDS AROUND 10 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE MID
80S. NORTHEAST WINDS AROUND 10 MPH.
.MONDAY...PARTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE MID
80S. EAST WINDS AROUND 10 MPH.
.TUESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE MID
80S. EAST WINDS AROUND 10 MPH.
.WEDNESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE
MID 80S. EAST WINDS AROUND 10 MPH.

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.